Pith Number

pith:DL6OPELB

pith:2013:DL6OPELBYO63VY4EIGMZ4GG2EK

not attested not anchored not stored refs pending

Geometric constructions of thin Blaschke products and reducing subspace problem

Hansong Huang, Kunyu Guo

arxiv:1307.0174 v1 · 2013-06-30 · math.FA · math.OA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DL6OPELBYO63VY4EIGMZ4GG2EK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:44:29.672744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1afce79161c3bdbae38441999e18da2287ac602ea279bd9487dfcff1e78734d6

Aliases

arxiv: 1307.0174 · arxiv_version: 1307.0174v1 · doi: 10.48550/arxiv.1307.0174 · pith_short_12: DL6OPELBYO63 · pith_short_16: DL6OPELBYO63VY4E · pith_short_8: DL6OPELB

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/DL6OPELBYO63VY4EIGMZ4GG2EK \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 1afce79161c3bdbae38441999e18da2287ac602ea279bd9487dfcff1e78734d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37997997859aff8f6f3830b2b0a911505df87f3b0d38ef7e51cc61826b25a244",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-06-30T03:45:52Z",
    "title_canon_sha256": "d599675d2dab9b37a5594a0d800c4d6683ee0ae65ec0c3afd20f1dab34550112"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0174",
    "kind": "arxiv",
    "version": 1
  }
}